_:b57999604	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/4db4b437ee1ea9a01b9bda41f74b7e3c4c87652c/2> .
_:b57999605	<http://www.w3.org/ns/oa#exact>	"serious" .
_:b57999604	<http://www.w3.org/ns/oa#hasSelector>	_:b57999605 .
_:b57999605	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .